Truck cab



FIG. 1 is a front perspective view of a truck cab showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front perspective view of a second embodiment;

FIG. 7 is a left side elevational view of the second embodiment;

FIG. 8 is a front elevational view of the second embodiment;

FIG. 9 is a rear elevational view of the second embodiment; and,

FIG. 10 is a top plan view of the second embodiment.

The broken line showing of environmental structure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a truck cab, as shown and described. 